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How Cadillac improved power output in 2016 ELR by 25 percent

Earlier this year, Cadillac announced that the 2016 ELR would come with a big price drop and a powertrain that packs 25 percent more power output. That's a lot more oomph, but it didn't sound like the Caddy engineers made any major changes to the engine or motors. So, what happened? Let's refresh our memories with the numeric details. The 2016 car is 1.5 seconds quicker to 60 miles per hour than the 2014 model (there was no 2015), down to 6.4 seconds. The 2014 put out 295 pound-feet of torque. For 2016, it will be 373 lb-ft. The specific breakdown of the various components in the powertrain has not been disclosed, but from what we can tell, the two electric motors and the 1.4-liter inline-four engine in the new ELR are not that much different than those in the old one. Sam Abuelsamid, senior research analyst at Navigant Research (and former writer here at Autoblog) said that any of the unspecified upgrades would be difficult to tell on a part-by-part basis, but the overall effect will be noticeable. "The changes to the ELR as I understand them are analogous to getting more performance out of a 1965 Mustang with the entry version of the 289 cubic-inch V8. You can replace the carburetor with a larger version that enables more air and fuel to flow into the engine, thus producing more power. The basic engine hasn't changed, but power capability is being unleashed by feeding it more." "Cadillac has changed components in the power electronics to enable more current flow into the motor and thus produce more torque. When you do this in the Mustang, you probably need to replace the rear axle gears and use a beefier clutch to transmit the power to the wheels. Similarly, the ELR probably has some upgraded clutches, bearings, and gears to withstand the increased total output." Cadillac spokesperson David Caldwell told AutoblogGreen in an email that the new ELR does indeed have more than just new lines of code. "One could not 'reflash' a previous ELR to get the performance of a 2016," Caldwell said. "If one only changed software you would not get the performance upgrade fully, as the 2016 creates higher current, more power. So these have been upgraded physically – hardware.

Here's your chance to own a 7.0-liter V8-powered, stick-shifted Cadillac Catera

Cadillac never stuffed a V8 engine into the Catera, the entry-level model it sold in the United States from 1997 to 2001, so American tuner Lingenfelter stepped in and offered to perform the conversion. One of the few cars it dropped an eight-cylinder into is for sale, and the bigger engine is just one of many modifications performed on it. Listed on auction site Bring a Trailer, this 2001 Catera lost its V6 soon after it was leased to its first owner in Warren, Michigan. Lingenfelter replaced the 3.0-liter V6 with a 5.7-liter V8 and ditched the automatic transmission in favor of a six-speed manual, but that wasn't enough; the owner sent it back for more. It left the shop again with a custom-built, 7.0-liter V8 between its fenders. It's essentially a Chevrolet Corvette C5.R-based block topped with LS6 heads, an LS6 intake, and a less restrictive exhaust. Its horsepower and torque outputs aren't available, unfortunately, but we assume the V8 easily doubles the stock Catera's 200-horse output. Cadillac marketed the Opel-built Catera as the Caddy that zigs, not as the Caddy that humiliates hot rods on a drag strip, so additional modifications were required to keep the V8's power in check. Highlights include a limited-slip differential, a lowered suspension with bigger sway bars, and beefier brakes all around. At one point in its life, this Catera also received 17-inch alloy wheels, a three-spoke steering wheel, and a sprinkling of V emblems. Although engine swaps are often hit or miss, this Catera has spent approximately 18 years and 40,000 miles with a V8 under its hood, so it's apparently a solid, well-thought-out build. It currently has 42,000 miles on its odometer, and it's located in Michigan. Bidding stands at $6,250 as of this writing, with five days left in the auction. It won't stay in the four-digit range for long, and it might end up costing as much as a late-model ATS-V, but when are you going to find another one like it? Related Video:   Featured Gallery 2001 Cadillac Catera with V8 engine, Lingenfelter modifications View 10 Photos Aftermarket Cadillac Performance Sedan

GM announces 6 recalls covering nearly 720k cars

General Motors has announced yet another sprawling recall campaign, with six separate elements covering 717,950 vehicles on US roads. At this point in 2014, it's starting to seem like there are more days with a GM recall than without. Perhaps most troubling about this latest volley, though, is that every vehicle is from the past few years, indicating that GM's quality woes may not be limited to pre-bankruptcy vehicles.
The largest element of this latest campaign covers 414,333 units, and includes the 2011 to 2012 Chevrolet Camaro, 2010 to 2012 Chevy Equinox, GMC Terrain and Cadillac SRX and the 2011 to 2012 Buick Regal and LaCrosse. Only vehicles with powered, height-adjustable seats are covered. In these particular cars and crossovers, the bolt that secures the height adjuster actuator may loosen of its own accord and in some cases fall out completely. If this happens, the seats will be able to move both up and down. GM claims the vehicles are safe to drive, provided drivers don't vertically adjust their seats. This particular issue has caused one crash and three injuries.
The largest element of this latest campaign covers 414,333 units, including the Chevrolet Camaro and Equinox, GMC Terrain, Cadillac SRX and the Buick Regal and LaCrosse.